Door and Window Handle Clamping Mechanism for Faster Assembly
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Solution Overview
Problem
Existing actuating devices for doors and windows require labor-intensive assembly due to handles being screwed onto a square pin, which is time-consuming.
Innovation Solution
An actuating device featuring a clamping element that is displaceable between positions, secured by a spring element, allowing easy mounting of handles onto a square pin through a frictional connection, reducing assembly effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If handles are screwed onto the square pin, then the connection is secure and reliable, but the assembly process becomes labor-intensive and time-consuming
Solution Approach 1:
The clamping element is designed to be displaceable between a first position (during assembly) and a second position (during operation), allowing the system to transition from an open state for easy handle installation to a closed clamping state for secure connection. This dynamic mechanism eliminates the need for screwing while ensuring reliable fixation.
Solution Approach 2:
The spring element automatically applies clamping force to the clamping element, maintaining the handle's secure position on the square pin without requiring additional fastening operations. The system self-regulates the clamping force, ensuring reliable connection without manual intervention.
2Ease of operation
If a clamping element with spring force is used to secure the handle, then assembly effort is reduced, but the device complexity increases
Solution Approach 1:
The fastening system is divided into distinct functional components: a clamping element for securing the handle, a spring element for providing clamping force, and a slider for guiding movement. This segmentation allows each component to perform its specific function efficiently, simplifying the overall assembly process while maintaining manageable complexity.
Solution Approach 2:
The clamping element is received within a recess in the square pin, and the spring element is positioned within the clamping element's structure. This nested arrangement consolidates multiple components into a compact unit, reducing the overall space required and minimizing the perceived device complexity while maintaining the ease of assembly benefit.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates quick and efficient assembly of handles to a square pin by utilizing a clamping element and spring mechanism, enhancing installation efficiency.
Implementation Method 1
The spring element applies a force, particularly a compressive force, to the clamping element, particularly continuously, in the direction of the second position
Implementation Method 2
the first handle is secured to the square pin by means of a frictional connection
Data Source
Figure 1~2
Figure 3~5
Figure 6~7
AI summary
1. The invention relates to an actuating device for a door or a window, comprising a square pin (4) on which a first handle (8) and a second handle (10) are arranged, a clamping element (12) and a spring element (14), wherein the first handle (8) is pushed onto a first end region of the square pin (4) and in the first end region a recess (16) is formed, which recess deepens in the direction of the second handle and in which the clamping element (12) is movably mounted in the square pin longitudinal direction between a first position and a second position, wherein in the first position the first handle (8) is movable relative to the square pin (4) and in the second position the clamping element (12) fixes the first handle (8) to the square pin (4) in a force-locking manner and the spring element (14) clamps the clamping element (12) with a force acting from the first position towards the second position applied.